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Content snychronization

a technology of content and synchronization, applied in the field of synchronization, can solve the problems of content synchronization being particularly problematic, synchronizing the primary device and the secondary device, and not being able to provide content synchronization by simply coordinating the clocks relative to a common time referen

Active Publication Date: 2014-07-31
CABLE TELEVISION LAB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention relates to synchronizing content between devices. More specifically, it addresses the problem of synchronizing content when multiple devices are involved, where timing may vary due to transport or processing variances. The invention provides a system for facilitating synchronization between devices by compensating for variances in timing. It allows for independent synchronization of events at different devices, and can be used with various types of devices such as mobile phones, computers, and televisions. The technical effect of the invention is to enable seamless synchronization of content and events between devices, compensating for differences in timing and ensuring a common time reference.

Problems solved by technology

The synchronization provided by merely coordinating device clocks relative to a common time reference may not be sufficient when events are to be synchronized relative to a time reference independent of such clocks.
The synchronization of content can be particularly problematic when the content is broadcasted, multicasted or otherwise commonly transported to a plurality of primary devices as the primary devices may process the content for output at different speeds and / or the transport time at which the content is delivered to the primary devices may vary depending on the transmission medium, network congestion or other influences.
Synchronizing the primary devices and the secondary devices by setting their clocks to a common time reference may not provide sufficient synchronization since the content timing is unique to each primary device and independent of the clock timing.

Method used

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Examples

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Embodiment Construction

[0008]As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.

[0009]FIG. 1 illustrates a synchronization system 10 in accordance with one non-limiting aspect of the present invention. The synchronization system 10 is described with respect to synchronizing events interfaced through a tablet 12 relative to content interface through a television 14. This description is provided for exemplary non-limiting purposes to demonstrate one environment where content a...

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PUM

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Abstract

Synchronization of content, events and other executables is contemplated. The synchronization may include synchronizing events executing on one device relative to events executing on another device, such as to facilitate syncing an interactive application executing on a tablet computer or other mobile device to a television program or other content interfaced through a television or other interface.

Description

TECHNICAL FIELD[0001]The present invention relates to synchronization, such as but not necessarily limited to synchronizing content interfaced through a first device with content interfaced through a second device.BACKGROUND[0002]Synchronization relates to establishing a temporal relationship between two or more devices such that the timing of events at one device can be scheduled or coordinated with the same or different events occurring at another one or more devices. One type of synchronization relies on independent clocks included at each device to time pre-programmed events to commonly execute at pre-scheduled times. This type of synchronization may rely upon a clocking message or other type of synchronization signal to be periodically communicated to each device in order to maintain a common time reference between each of the clocks, and thereby, synchronized execution of the desired events. The synchronization provided by merely coordinating device clocks relative to a common...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04N21/63H04N21/233
CPCH04N21/233H04N21/63H04N21/4305H04N21/8106H04N21/8545H04H20/18H04N21/242H04N21/41265H04N21/2387
Inventor ELLIOTT, ISAACGLENNON, STEVEFITZGERALD, DEBORAH
Owner CABLE TELEVISION LAB
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